refactored --junc-bed

mmpriv.h

@@ -52,6 +52,11 @@ typedef struct {
 	mm128_t *a;
 } mm_seg_t;
 
+typedef struct {
+	int32_t off, off2;
+	int32_t is_rev;
+} mm_jjump1_t;
+
 double cputime(void);
 double realtime(void);
 long peakrss(void);